According to the Texas Department of Public Safety, the alert was issued for Seth Altman, 33, of Memphis, for "the killing or serious injury of an officer" in Hall County, which sits in the panhandle, just southeast of Amarillo.

A $10,000 reward is now being offered for information leading to the arrest of a man wanted in connection with the shooting of a law enforcement officer in Memphis.

A Texas man accused of shooting a police chief is allegedly on the run. A Blue Alert has been issued for 33-year-old Seth Altman, who has a warrant for his arrest on a charge of attempted capital murder of a peace officer, according to the Lubbock Avalanche-Journal, KBTX and FOX4.